EP2655890A4 - Variable-speed oil-free refrigerant centrifugal compressor with variable geometry diffuser - Google Patents

Variable-speed oil-free refrigerant centrifugal compressor with variable geometry diffuser

Info

Publication number
EP2655890A4
EP2655890A4 EP10860902.5A EP10860902A EP2655890A4 EP 2655890 A4 EP2655890 A4 EP 2655890A4 EP 10860902 A EP10860902 A EP 10860902A EP 2655890 A4 EP2655890 A4 EP 2655890A4
Authority
EP
European Patent Office
Prior art keywords
variable
centrifugal compressor
speed oil
geometry diffuser
free refrigerant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10860902.5A
Other languages
German (de)
French (fr)
Other versions
EP2655890B1 (en
EP2655890A1 (en
Inventor
Lin Sun
Joost Brasz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danfoss AS
Original Assignee
Danfoss AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Danfoss AS filed Critical Danfoss AS
Publication of EP2655890A1 publication Critical patent/EP2655890A1/en
Publication of EP2655890A4 publication Critical patent/EP2655890A4/en
Application granted granted Critical
Publication of EP2655890B1 publication Critical patent/EP2655890B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
    • F04D29/464—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps adjusting flow cross-section, otherwise than by using adjustable stator blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP10860902.5A 2010-12-22 2010-12-22 Variable-speed oil-free refrigerant centrifugal compressor with variable geometry diffuser Not-in-force EP2655890B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2010/061754 WO2012087306A1 (en) 2010-12-22 2010-12-22 Variable-speed oil-free refrigerant centrifugal compressor with variable geometry diffuser

Publications (3)

Publication Number Publication Date
EP2655890A1 EP2655890A1 (en) 2013-10-30
EP2655890A4 true EP2655890A4 (en) 2015-05-27
EP2655890B1 EP2655890B1 (en) 2019-01-23

Family

ID=46314284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10860902.5A Not-in-force EP2655890B1 (en) 2010-12-22 2010-12-22 Variable-speed oil-free refrigerant centrifugal compressor with variable geometry diffuser

Country Status (5)

Country Link
US (1) US9212667B2 (en)
EP (1) EP2655890B1 (en)
CN (1) CN103261701B (en)
AU (1) AU2010365829A1 (en)
WO (1) WO2012087306A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014182305A1 (en) * 2013-05-09 2014-11-13 Danfoss A/S Compressor including impeller with radial flow inlet
CN105473956B (en) * 2013-08-27 2018-07-31 丹佛斯公司 A kind of compressor including stream controller and electromagnetic actuators
CN104632646A (en) 2014-03-12 2015-05-20 珠海格力电器股份有限公司 Centrifugal compressor and centrifugal unit with same
US10458429B2 (en) 2016-05-26 2019-10-29 Rolls-Royce Corporation Impeller shroud with slidable coupling for clearance control in a centrifugal compressor
US10774635B2 (en) 2016-06-10 2020-09-15 Halliburton Energy Services, Inc. Restimulation process using coiled tubing and fiber optics
CN106091188A (en) * 2016-06-12 2016-11-09 重庆美的通用制冷设备有限公司 Refrigeration unit
WO2018111985A1 (en) 2016-12-15 2018-06-21 Carrier Corporation Screw compressor with magnetic gear
WO2018175938A1 (en) 2017-03-24 2018-09-27 Johnson Controls Technology Company Magnetic bearing motor compressor
US11280524B2 (en) * 2017-10-10 2022-03-22 Johnson Controls Technology Company Systems for a chiller electrical enclosure
CN110360130B (en) 2018-04-09 2022-12-27 开利公司 Variable diffuser drive system
EP4031774A4 (en) * 2019-09-18 2023-10-11 Massachusetts Institute of Technology ADAPTIVE SPIRALS FOR CENTRIFUGAL PUMPS
WO2021174097A1 (en) * 2020-02-27 2021-09-02 Johnson Controls Technology Company System and method for operation of variable geometry diffuser as check valve
CA3174873A1 (en) 2020-04-09 2021-10-14 Tim Sundstrom System for controlling an internal state of a tumbling mill
US12535086B2 (en) 2021-10-09 2026-01-27 S.P.M. Instrument Ab System and method for pump control based on pump vibrations
US11668316B1 (en) * 2022-01-07 2023-06-06 Hamilton Sundstrand Corporation Rotor formed of multiple metals
US11873839B1 (en) 2022-09-12 2024-01-16 Hamilton Sundstrand Corporation Variable vaneless diffuser with moving floor
US11885352B1 (en) 2022-09-12 2024-01-30 Hamilton Sundstrand Corporation Variable channel diffuser with moving floor
US12135039B2 (en) 2022-09-12 2024-11-05 Hamilton Sundstrand Corporation Variable pipe diffuser
US11773870B1 (en) 2022-09-12 2023-10-03 Hamilton Sundstrand Corporation Variable channel diffuser
US12345162B2 (en) 2023-11-17 2025-07-01 Rolls-Royce Corporation Adjustable position impeller shroud for centrifugal compressors
US12345163B2 (en) 2023-11-17 2025-07-01 Rolls-Royce Corporation Travel stop for a tip clearance control system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5924847A (en) * 1997-08-11 1999-07-20 Mainstream Engineering Corp. Magnetic bearing centrifugal refrigeration compressor and refrigerant having minimum specific enthalpy rise
US20020176774A1 (en) * 2001-05-24 2002-11-28 Zinsmeyer Thomas M. Rotating vane diffuser for a centrifugal compressor
US20050076656A1 (en) * 2003-10-10 2005-04-14 York International Corporation System and method for stability control in a centrifugal compressor
WO2009058975A1 (en) * 2007-10-31 2009-05-07 Johnson Controls Technology Company Control system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1429796A (en) * 1964-05-11 1966-02-25 Sulzer Ag Turbomachine
US3478955A (en) * 1968-03-11 1969-11-18 Dresser Ind Variable area diffuser for compressor
US4378194A (en) * 1980-10-02 1983-03-29 Carrier Corporation Centrifugal compressor
US4718819A (en) * 1983-02-25 1988-01-12 Teledyne Industries, Inc. Variable geometry device for turbine compressor outlet
US5807071A (en) 1996-06-07 1998-09-15 Brasz; Joost J. Variable pipe diffuser for centrifugal compressor
US5669756A (en) 1996-06-07 1997-09-23 Carrier Corporation Recirculating diffuser
US6463748B1 (en) * 1999-12-06 2002-10-15 Mainstream Engineering Corporation Apparatus and method for controlling a magnetic bearing centrifugal chiller
US6872050B2 (en) * 2002-12-06 2005-03-29 York International Corporation Variable geometry diffuser mechanism
US8069932B2 (en) 2007-11-29 2011-12-06 Schlumberger Technology Corporation Method and apparatus for determining formation pararmeters using a seismic tool array
WO2009079421A2 (en) 2007-12-14 2009-06-25 Carrier Corporation Control device for hvac systems with inlet and outlet flow control devices

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5924847A (en) * 1997-08-11 1999-07-20 Mainstream Engineering Corp. Magnetic bearing centrifugal refrigeration compressor and refrigerant having minimum specific enthalpy rise
US20020176774A1 (en) * 2001-05-24 2002-11-28 Zinsmeyer Thomas M. Rotating vane diffuser for a centrifugal compressor
US20050076656A1 (en) * 2003-10-10 2005-04-14 York International Corporation System and method for stability control in a centrifugal compressor
WO2009058975A1 (en) * 2007-10-31 2009-05-07 Johnson Controls Technology Company Control system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012087306A1 *

Also Published As

Publication number Publication date
US20130064682A1 (en) 2013-03-14
CN103261701A (en) 2013-08-21
WO2012087306A1 (en) 2012-06-28
EP2655890B1 (en) 2019-01-23
EP2655890A1 (en) 2013-10-30
US9212667B2 (en) 2015-12-15
CN103261701B (en) 2016-03-16
AU2010365829A1 (en) 2013-05-23

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